<!--  -->
<template>
  <div class="wrapper" ref="wrapper">
    <div class="content">
      <slot></slot>
    </div>
  </div>
</template>

<script>
import BScroll from "better-scroll";

export default {
  data() {
    return {
      scroll: null,
    };
  },
  props: {
    probeType: {
      type: Number,
      default: 0,
    },
    pullUpLoad: {
      type: Boolean,
      default: false,
    },
  },
  mounted() {
    // 1、创建BScroll对象
    // this.scroll = new BScroll(document.querySelector('.wrapper'))
    this.scroll = new BScroll(this.$refs.wrapper, {
      // observeDOM: true,
      // observeImage: true,
      click: true,
      probeType: this.probeType,
      pullUpLoad: this.pullUpLoad,
    })
    // 2、监听滚动位置
    if (this.probeType === 2 || this.probeType === 3) {
      this.scroll.on("scroll", (position) => {
        // console.log(position);
        this.$emit("scroll", position);
      })
    }
    // 3、监听滚动到底部
    if (this.pullUpLoad) {
        this.scroll.on('pullingUp', () => {
          this.$emit('pullingUp')
          console.log('到底部了');
        })
    }
  },
  methods: {
    scrollTo(x, y, time = 500) {
      this.scroll.scrollTo(x, y, time);
    },
    refresh() {
      // console.log('------');
      this.scroll.refresh()
    },
    finishPullUp(){
      this.scroll.finishPullUp()
    }
  },
};
</script>

<style  scoped>
.wrapper {
  height: 100%;
}
</style>
